Sugar Futures closed lower on Wednesday as Exchange has Imposed special margin on 10 per cent on long side for Oct contract and 25 per cent on all other running contract The most-active October Sugar contract closed 1.93% down to settle at 3,513 per quintal last week. Central government is taking steps to stabilize prices by imposed stock limits on sugar mills during the festival season until October-end .Sugar prices may trade sideways on heavy selling by the market participants on increase in margins in futures market. Moreover, good physical supplies from mills are continuing in the physical market due to imposed stock limit on mills.